Factors affecting the germination of orchid seeds

By J. Arditti. The Botanical review, 2008

247 citations recorded by the source corpus.

THE Vol. BO T AN I C AL JANUARY-MARCH, REVIEW No. 1 FACTORS AFFECTING THE GERMINATION OF ORCH ID SEEDS 1 JOSEPH ARDITTI Department of Organismic Biology University of California Irvine, California 9266.f Introduction The orchid seed Orchid mycorrhiza and symbiosis Asymhiotic investigations Mineral nutrition _ .. _ Nitrogen nutrition .. The effects of sugars and other carbohydrates The effects of vitamins The effects of hormones . The effects of complex additives The effects of temperature The effects of light The effects of pH The effects of the atmosphere and its components The effects of moi sture The effects of miscellaneous factors . The nature of the factors required by germinating orchid seeds A note on the literature . Literature Cited ...... .. INTRODUCTION The Orchidaceae is one of che largest and most diverse of all plant families, consisting of 500- 800 genera and 20,000-30,000 species (Garay 1960, Schulces and Pease 1963). le is also among che masc widely distributed. Its representatives may be found from che Arctic to the Antarctic; in bogs, deserts, valleys, plains, hills, mountains, and even below ground (Hatch 195 3). Sizes of orchid planes vary from a few ( 3-4) mm. co several meters, whereas flowers may range from 2-3 mm. co 15-20 cm. or more in diameter. Some flowers are beauciful, e.g., Cattleya Lindi. and Phalaenop1i1 Blume, but 'Supported in pa rt by grants from the American Orchid Society, The Loeb Foundation, The Orchid Society of Southern California, and The Society of Sigma Xi.

Subfields: Ecology, Evolution, Behavior and Systematics, Molecular Biology, Plant Science

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In Ecology, Evolution, Behavior and Systematics

1. M. Kane
2. Scott L. Stewart
3. T. Yam
4. Daniela Dutra
5. T. Johnson
6. L. Richardson

In Molecular Biology

1. Scott L. Stewart
2. T. Yam
3. M. Kane

In Plant Science

1. M. Kane
2. T. Yam
3. Scott L. Stewart

Citations in the corpus

• Asymbiotic seed germination and in vitro seedling development of Habenaria macroceratitis (Orchidaceae), a rare Florida terrestrial orchid (2006, background): “This inconsistent response to exogenous hormones has even been shown to vary from genus to genus and even species to species (for reviews see Withner 1959; Arditti 1967; Arditti and Ernst 1984).”
• History of orchid propagation: a mirror of the history of biotechnology (2009, methodology): “Beet sugar is also sucrose but several reports indicate that it does not support orchid seed germination as well as that obtained from cane (for reviews, see Arditti 1967, 1979; Arditti and Ernst 1984).”
• Asymbiotic germination of immature seeds, plantlet development and ex vitro establishment of plants of Dendrobium tosaense makino—A medicinally improrant orchid (2004, background): “…(2) more difficult to germinate asymbiotically and may require special medium and culture conditions for asymbiotic germination; and (3) those which do not germinate asymbiotically and rely on symbionts for germination (Arditti, 1967; Arditti and Ernst, 1984; taken from Yam and Weatherhead, 1988).”